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ITGS Vocabulary Flashcards | StudBud
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ITGS Vocabulary
ITGS Vocabulary
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1
Message that is transformed into a non-understandable form is
CAPTCHA
ciphertext
plaintext
2
Optical mark recognition (OMR) is used to
check trends in webpages
recognise false statements in essay drafts (google docs)
capture human-marked data from document forms
mark down answers in surveys
3
Computer Misuse Act is for:
gaining authorised access to a computer system
commiting further crime when gaining unauthorised access
gaining unauthorised access to a computer system
authorised modification of data stored on a computer
4
Embedded systems are found in..
washing machines, where they are not real-time systems
GPS systems, they have to provide immediate output
traffic lights, their reliability is not an important aspect
cars, where they run for a very short time
5
Composite image is recieved when
editing tools are used to combine images
multiple colour contrasts are highlighted on one picture
the compositor of the image has made it from the scratch
6
After the sender sends their message, it is ........... using their private key
digitally analysed
digitally filed
digitally modified
digitally signed
7
Certificate Authority is used to
verify the authority of yourself
verify the owner of the public key
verify the security of the website
verify that the sender is not a bot
8
One of the biggest issues related to databases (stated in ITGS workbook) is
data integrity
not enough applications to make tables
lack of data (amount)
9
'Character check' checks ..
the number of characters in a field
that a field contains only certain characters
whether the field is blank
that numeric field is above or below a certain value
10
Fields which are frequently used to search a table are called
indexes
records
primary keys
MySQL
11
an electrostatic digital printing is done with a(n)
laser printer
dot matrix printer
inkjet printer
12
Radio-frequency identification (
RFID
) uses electromagnetic fields to
identify and track tags attached to objects
identify and rewrite tags attached to objects
identify and delete tags attached to objects
identify and modify tags attached to objects
13
There's often no secondary storage devices, a slow processor and small amount of RAM in
thin clients
chubby clients
fat clients
14
What characterises a Braille keyboard?
Braille keyboard uses a small number of keys
Braille dots are placed on a standard keyboard
Braille dots have combinations to produce lettersof alphabet
15
What does OCR stand for?
Only Character Recognition
Optical Character Recognition
Optical Character Resolution
Original Character Recognition
16
Video cardsare also known as
CPU
Professor unit
GPU
Processor unit
17
Which statements are true in case of bitmap graphics?
store data as mathematical equations
zooming in increases quality
Images consume less storage space
Increasing size reduces quality
18
The term normalisation is defined as process of
creating a relational database which has only redundant data
making a relational database of numbers with 2 decimalplaces
creating a relational database which has no redundant data
19
Which statements are true in case of vector graphics?
images consume lots of storage place
store data as grids of pixels
doesn't require fast computer to manipulate complex graphics
No quality loss when zooming in
20
TSL (transport layer security) is what?
Digital sertificate for idendity verifications
An older encryption algorithm used by wireless networks
Standard encryption protocol used for secure communication
21
Intellectual Property
refers to 'creations of the mind', includes films, essays
refers to 'smart people's property', includes supercomputers
refers to 'Homo sapiens' possessions', includes estate
refers to 'artificial intelligence', includes built-in brain
22
Which statement is true regarding CSV(comma separated values) and TSV(text separated values)?
neither save fields or records into plain text files
both save fields and records into plain text files
23
Malware is used to infect computers with
stuxnet, which sends spam constantly in dos form
rootkits, which gather all data and performs an ID theft
blacklists, which prevent accessibility to malicious sites
backdoors, which allow remote third party user to control it
24
How to avoid malicious software?
Opening email attachments you were excepting
By clicking on colourful ads
Installing anti-virus software
Downloading movies illegally
25
'Digital divide' means
the gap between people who can access IT and who can not
A number of PC's divided by the number of its hardware parts
when digital gadgets are broken/divided
26
How to create poor presentations:
text is hard to read against colourful background
heading is black and formal
big font with short sentences
27
Embedded system is
combination of computer hardware and software
combination of software and OS
combination of computer hardware and OS
28
Biometric enrolment is a process where
data is sent away by biometric enrolling
data is collected by biometric systems
data is analyzed by biometric systems
29
Access levels are set, so that
no one but the administrator gets to modify anything
in case of emergency, some users would access certain files
some people wouldn't access certain files and modify them
everything in the system would be secured
30
Compression in images is used to reduce what?
repeated data in images
the variety of colours used
text lenght in videos/music
amount of storage space required
31
Network monitoring systems perform checks including:
looking for regular traffic patterns
if a web site's response time is within an acceptable time
if bandwith is being used efficiently
monitoring and checking server resources
32
Examples of application suites are:
The Microsoft office
Adobe
Paint
Spotify
33
Software which gives the freedom for users to modify its code and share it and is free forever:
commercial software
freeware
FOSS
shareware
34
Ethical issues raise questions like:
What are the disadvantages of this system?
Who is responsible?
What are the consequenses?
How did the IT development emerge?
35
How does anti-virus work?
Identifies viruses by virus definition file
Runs in the background and scan files after they are opened
Shuts the system, deletes all malicious files and restarts
Combines definition based scanning and heuristic scanning
36
Policy, whereby individuals' data will be collected unless specifically requested not to be is
opt-out policy
opt-in policy
37
All bitmap image are stored in the computer as what?
rectangular grid of pixels
rectangular lattice of millipixels
quatrefoilar grid of megapixels
38
Virtual Private Network uses encryption to create an encrypted tunnel from
one server to metropolitan area network in the same location
one computer to a storage area network in another location
one computer to a local network in another location
one server to campus area network in the same location
39
The failover system mechanism is used to
to increase the reliability and availability of IT resources
switch between system components in case of downtime
to decrease the reliability and availability of IT resources
turn off the computer in case of downtime
40
IP/TCP in ITGS stands for
internet protocol/transmission control protocol
internet protocol/transmission client protocol
internet problemacy/translate control protocol
internet provider/transfer client problems
41
Converenge - computers in the past can perform tasks that are today done in separate devices
true
false, the other way around
42
Different kinds of GPU:
onboard graphics
single add-on cards
offboard graphics
multiple take-off cards
43
set of rules that govern identification of devices on a network and how the info is exchanged
IP (internet protocol)
WMI (Windows Management Instrumentation)
TCP (transmission Control Protocol)
44
common formats for general file compression include
zip
rar
4zip
gimp
45
What is the main difference between LCDs and CRTs?
CRT displays produce higher quality images
LCD displays are typically lighter
LCD displays are generally cheaper, thinner and heavier
LCD screens have native resolution
46
Companies that probably use supercomputers
NASA
AMD
Selver
McDonalds
47
Shared devices connect directly to switch which is
most basic and cheapest device compared to similar gadgets
like a smarter version of hubs, they save a bandwith
48
All IT systems have these three essential components:
input, gimp, the sims 3
windows xp, photoshop, processing
motherboard, video card, output
input, output, processing
49
Data synchronisation can take place with a(n) ............ connection
bluetooth
web cam
infra-red
UBS
